Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William M Sonak, DC

Individual provider Chiropractor · NPI 1336179183

Dr. William M Sonak, DC is a Chiropractic in Sterling, Virginia. Qualified in 1999, 27 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
27
Licensed in
VA
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

46859 Harry Byrd Hwy Ste 102
Sterling, VA 20164
Phone: (703) 406-0200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 0104555566 (VA)

Record details

NPI number1336179183
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedJuly 4, 2006
Last updated in NPPESJuly 8, 2007
Mailing address46859 Harry Byrd Hwy. Suite 102, Sterling, VA 20164

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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